Cheapest one-way flights from Greenville to San Juan in July from $333

AirHint found the following cheapest one-way flights from Greenville (GSP) to San Juan (SJU) in July 2025 (see full year).

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.